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; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s
declare i8* @llvm.frameallocate(i32)
declare i8* @llvm.frameaddress(i32)
declare i8* @llvm.framerecover(i8*, i8*)
declare i32 @printf(i8*, ...)
@str = internal constant [10 x i8] c"asdf: %d\0A\00"
define void @print_framealloc_from_fp(i8* %fp) {
%alloc = call i8* @llvm.framerecover(i8* bitcast (void(i32*, i32*)* @alloc_func to i8*), i8* %fp)
%alloc_i32 = bitcast i8* %alloc to i32*
%r = load i32* %alloc_i32
call i32 (i8*, ...)* @printf(i8* getelementptr ([10 x i8]* @str, i32 0, i32 0), i32 %r)
ret void
}
; CHECK-LABEL: print_framealloc_from_fp:
; CHECK: movabsq $.Lframeallocation_alloc_func, %[[offs:[a-z]+]]
; CHECK: movl (%rcx,%[[offs]]), %edx
; CHECK: leaq {{.*}}(%rip), %rcx
; CHECK: callq printf
; CHECK: retq
define void @alloc_func(i32* %s, i32* %d) {
%alloc = call i8* @llvm.frameallocate(i32 16)
%alloc_i32 = bitcast i8* %alloc to i32*
store i32 42, i32* %alloc_i32
%fp = call i8* @llvm.frameaddress(i32 0)
call void @print_framealloc_from_fp(i8* %fp)
ret void
}
; CHECK-LABEL: alloc_func:
; CHECK: subq $48, %rsp
; CHECK: .seh_stackalloc 48
; CHECK: leaq 48(%rsp), %rbp
; CHECK: .seh_setframe 5, 48
; CHECK: .Lframeallocation_alloc_func = -[[offs:[0-9]+]]
; CHECK: movl $42, -[[offs]](%rbp)
; CHECK: leaq -48(%rbp), %rcx
; CHECK: callq print_framealloc_from_fp
; CHECK: retq
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